fix(ci): pin dependencies to MSRV supported versions #664
cont_integration.yml
on: pull_request
  
    
      Rust Formatting
    
          
              12s
          
      
    
      Rust Clippy
    
          
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        Matrix: Build & Test
      
    
    Annotations
1 error and 2 warnings
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                       Unable to create clippy annotations! Reason: HttpError: Resource not accessible by integration | 
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                       GitHub Actions are not allowed to create Check annotations, when executed for a forked repos. See https://github.com/actions-rs/clippy-check/issues/2 for details. | 
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                       It seems that this Action is executed from the forked repository. |